What is McNASvc.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the McNASvc.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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McNASvc.exe file information

Windows Task Manager with McNASvc
McNASvc.exe process in Windows Task Manager

The process known as McAfee Network Agent belongs to software McAfee Integrated Security Platform by McAfee (

Description: McNASvc.exe is not essential for Windows and will often cause problems. McNASvc.exe is located in a subfolder of "C:\Program Files\Common Files" (common is C:\Program Files (x86)\Common Files\McAfee\MNA\). Known file sizes on Windows 10/8/7/XP are 2,482,848 bytes (50% of all occurrences), 2,458,128 bytes, 2,376,992 bytes or 2,556,576 bytes. 
The program has no visible window. The McNASvc.exe file is a Verisign signed file. McNASvc.exe is certified by a trustworthy company. The file is not a Windows system file. The program uses ports to connect to or from a LAN or the Internet. McNASvc.exe is able to monitor applications. Therefore the technical security rating is 36% dangerous, but you should also take into account the user reviews.

Uninstalling this variant: If you want to remove the program completely, go to Control Panel ⇒ Software ⇒ McAfee, Inc..

Recommended: Identify McNASvc.exe related errors

Important: Some malware camouflages itself as McNASvc.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the McNASvc.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

Öffnet permanent meine ISDN- Verbindung meines ISDN-Routers. WIN 7 x64 prof. mit McAfee Security Center !!!
  Wolfgang Welzel  
is a process related to McAfee Integrated Security Platform from McAfee
McNASvc muss für die Windows 8-Installation deinstalliert werden, da es mit Windows 8 nicht kompatibel ist.
  Stefan Wittwer  

Summary: Average user rating of McNASvc.exe: based on 5 votes with 3 user comments. One user thinks McNASvc.exe is essential for Windows or an installed application. One user thinks it's probably harmless. 2 users think it's neither essential nor dangerous. One user suspects danger.

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Best practices for resolving McNASvc issues

A clean and tidy computer is the key requirement for avoiding problems with McNASvc. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the McNASvc.exe process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

McNASvc.exe [all]